2 player controller config

2 player controller config. Requires
pimame/pimame-menu/pmmenu/pmcontrollerconfig.py update to work properly
Merge remote-tracking branch 'upstream/master'

Conflicts:
	formatters/dgen.py
fixed advmame formatter
bug fix

now watches for buttonup AND buttondown events
bug fix

bug fix
bug fix

removed pygame.init(). Was causing freezing.
pisnes bug fix
nes bug fix
Merge pull request #2 from mholgatem/master

2 player controller config